Nagios XI Administrator Certification
Exam Practice Questions And Correct
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Rationales 2026 Q&A | Instant
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1. What is the primary purpose of Nagios XI?
A. Database management
B. Network monitoring and alerting
C. Web hosting
D. File storage
Correct Answer: B
Rationale: Nagios XI is primarily used for monitoring IT infrastructure,
services, and generating alerts.
2. Which component provides the web interface in Nagios XI?
A. Apache
B. NRPE
C. NCPA
, D. SSH
Correct Answer: A
Rationale: Nagios XI uses Apache as its web server to deliver the user
interface.
3. What does NRPE stand for?
A. Nagios Remote Plugin Executor
B. Network Response Protocol Engine
C. Nagios Routing Process Engine
D. Network Remote Ping Executor
Correct Answer: A
Rationale: NRPE allows execution of plugins on remote Linux/Unix
hosts.
4. Which protocol is commonly used by Nagios for remote Windows
monitoring?
A. FTP
B. NCPA
C. SMTP
D. SNMP Trap only
Correct Answer: B
Rationale: NCPA (Nagios Cross-Platform Agent) supports Windows
and Linux monitoring.
5. What file is used to define host and service configurations in Nagios
XI?
, A. httpd.conf
B. objects.cfg
C. hosts.ini
D. services.xml
Correct Answer: B
Rationale: object configuration files define hosts, services, and
commands.
6. What is a "check" in Nagios XI?
A. A backup process
B. A monitoring action executed to test a service or host
C. A firewall rule
D. A log file
Correct Answer: B
Rationale: Checks are scripts or plugins used to test system health.
7. Which state indicates everything is functioning normally?
A. CRITICAL
B. WARNING
C. UNKNOWN
D. OK
Correct Answer: D
Rationale: OK means the service or host is operating normally.
8. What is the default Nagios plugin directory?
A. /usr/local/nagios/libexec
, B. /etc/nagios/plugins
C. /var/nagios/bin
D. /opt/plugins
Correct Answer: A
Rationale: Plugins are typically stored in libexec directory.
9. Which service is responsible for executing checks?
A. Apache
B. Nagios Core daemon
C. MySQL
D. Postfix
Correct Answer: B
Rationale: Nagios Core handles scheduling and execution of checks.
10. What does a "host down" state indicate?
A. Service failure only
B. Network unreachable or host not responding
C. Disk full
D. CPU overloaded
Correct Answer: B
Rationale: Host down means the system cannot be reached.
11. Which database is commonly used by Nagios XI?
A. Oracle
B. MongoDB
C. MySQL/MariaDB
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of Nagios XI?
A. Database management
B. Network monitoring and alerting
C. Web hosting
D. File storage
Correct Answer: B
Rationale: Nagios XI is primarily used for monitoring IT infrastructure,
services, and generating alerts.
2. Which component provides the web interface in Nagios XI?
A. Apache
B. NRPE
C. NCPA
, D. SSH
Correct Answer: A
Rationale: Nagios XI uses Apache as its web server to deliver the user
interface.
3. What does NRPE stand for?
A. Nagios Remote Plugin Executor
B. Network Response Protocol Engine
C. Nagios Routing Process Engine
D. Network Remote Ping Executor
Correct Answer: A
Rationale: NRPE allows execution of plugins on remote Linux/Unix
hosts.
4. Which protocol is commonly used by Nagios for remote Windows
monitoring?
A. FTP
B. NCPA
C. SMTP
D. SNMP Trap only
Correct Answer: B
Rationale: NCPA (Nagios Cross-Platform Agent) supports Windows
and Linux monitoring.
5. What file is used to define host and service configurations in Nagios
XI?
, A. httpd.conf
B. objects.cfg
C. hosts.ini
D. services.xml
Correct Answer: B
Rationale: object configuration files define hosts, services, and
commands.
6. What is a "check" in Nagios XI?
A. A backup process
B. A monitoring action executed to test a service or host
C. A firewall rule
D. A log file
Correct Answer: B
Rationale: Checks are scripts or plugins used to test system health.
7. Which state indicates everything is functioning normally?
A. CRITICAL
B. WARNING
C. UNKNOWN
D. OK
Correct Answer: D
Rationale: OK means the service or host is operating normally.
8. What is the default Nagios plugin directory?
A. /usr/local/nagios/libexec
, B. /etc/nagios/plugins
C. /var/nagios/bin
D. /opt/plugins
Correct Answer: A
Rationale: Plugins are typically stored in libexec directory.
9. Which service is responsible for executing checks?
A. Apache
B. Nagios Core daemon
C. MySQL
D. Postfix
Correct Answer: B
Rationale: Nagios Core handles scheduling and execution of checks.
10. What does a "host down" state indicate?
A. Service failure only
B. Network unreachable or host not responding
C. Disk full
D. CPU overloaded
Correct Answer: B
Rationale: Host down means the system cannot be reached.
11. Which database is commonly used by Nagios XI?
A. Oracle
B. MongoDB
C. MySQL/MariaDB
